TY - RPRT TI - Water resources data, Puerto Rico, water years 1981-82 AU - R. E. Curtis AU - P. W. McKinley AU - H. M. Colon-Ramos PY - 1983 DO - 10.3133/wdrpr81821 UR - https://pubs.usgs.gov/publication/wdrPR81821 ID - wdrPR81821 ER -